Research Article: 6,7-Dichloro-3-(2,4-dichloro­benz­yl)­quinoxalin-2(1H)-one

Date Published: August 01, 2012

Publisher: International Union of Crystallography

Author(s): Jinpeng Zhang, Yinan Wang, Qian Wang, Lichun Xu.

http://doi.org/10.1107/S160053681203098X

Abstract

In the title compound, C15H8Cl4N2O, the quinoxaline ring system is almost planar, with a dihedral angle between the benzene and pyrazine rings of 3.1 (2)°. The 2,4-dichloro­phenyl ring is approximately perpendicular to the pyrazine ring, with a dihedral angle of 86.47 (13)° between them. The crystal packing features inter­molecular N—H⋯O hydrogen bonds and π–π stacking inter­actions, with centroid–centroid distances in the range 3.699 (3)–4.054 (3) Å.

Partial Text

For the bioactivity of quinoxalin-2(1H)-one derivatives, see: Mensah-Osman et al. (2002 ▶); Perez et al. (2002 ▶); Quint et al. (2002 ▶); Seitz et al. (2002 ▶).

 

Source:

http://doi.org/10.1107/S160053681203098X

 

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